/*透明度(opeacity-)*/

/* opacity */

.opacity-0 {
    opacity: 0;
}

.opacity-1 {
    opacity: 0.1;
}

.opacity-2 {
    opacity: 0.2;
}

.opacity-3 {
    opacity: 0.3;
}

.opacity-4 {
    opacity: 0.4;
}

.opacity-5 {
    opacity: 0.5;
}

.opacity-6 {
    opacity: 0.6;
}

.opacity-7 {
    opacity: 0.7;
}

.opacity-8 {
    opacity: 0.8;
}

.opacity-9 {
    opacity: 0.9;
}

.opacity-10 {
    opacity: 1;
}